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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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56 | * Filters the number of links found in a comment. |
57 | * |
58 | * @since 3.0.0 |
59 | * @since 4.7.0 Added the `$comment` parameter. |
60 | * |
61 | * @param int $num_links The number of links found. |
62 | * @param string $url Comment author's URL. Included in allowed links total. |
63 | * @param string $comment Content of the comment. |
64 | */ |
65 | $num_links = apply_filters( 'comment_max_links_url', $num_links, $url, $comment ); |
66 |
|
67 | /* |
68 | * If the number of links in the comment exceeds the allowed amount, |
69 | * fail the check by returning false. |
70 | */ |
71 | if ( $num_links >= $max_links ) { |
72 | return false; |
73 | } |
74 | } |